150 
APPENDIX. 
II. ADDITIONS AND CORRECTIONS. 
Page 4. “ Echinus, n. s.” MacAndrew. 
b, c. Zetland, in solution of bay-salt. Presented by R. 
MacAndrew, Esq. 
e,f, g. Zetland. Dry. Presented by R. MacAndrew, Esq. 
7- Echinocardium ovatum. 
c, d, e,f. Hebrides, Zetland. Presented by R. MacAndrew, 
Esq. 
/. Brissiopsis tyrifer. 
c, d, e,f. Hebrides. Presented by R. MacAndrew, Esq. 
8. Thyone Raphanus. 
a, Zetland. Presented by R. MacAndrew, Esq. 
7. Thyone, add Anaperus, Troschel, Erich. Arch. Nat. 1846, 60. 
Thyone fusus, add Anaperus fusus, Troschel, Erich. Arch. 
Nat. 1846, 62. 
9. Psolus phantopus. 
" Holothuria squamata,” MacAndrew. 
a. Zetland. In solution of bay-salt. Presented by R. Mac- 
Andrew, Esq. 
14. Sipunculus granulosa, read granulosus. 
30. Ephyra simplex, Penn., read Peron. 
41. Gynosomata, read Gymnosomata. 
51. Turbinolia Millesiana. 
b, c, d. Cornwall. Presented by R. MacAndrew, Esq. 
52. Caryophyllia Smithii, var. 
e. var. Zetland. Presented by R. MacAndrew, Esq. 
57. Iris hippuns and Iris extrochus, read Isis. 
59. Pavonaria quadrangularis. 
c, d,e,f. Inspirits. Oban. Presented by R. MacAndrew, Esq. 
62. Cordylophora lacustris. 
a. In spirits. From a cistern at Kensington. Presented by 
George Busk, Esq. 
70. After Sertularia pumila, add 
2*. Sertularia gracilis. 
Sertularia gracilis, Hassall, MSS. (Ann. Nat. Hist. July 1848, 
cover). 
a, b, c. On Algae. Brighton. Presented by A. II. Hassall, 
Esq. 
